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Projected image with a concave mirror

Projected image with a concave mirror

Item no.: P1067800

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This experiment is very demanding. It does not place any great demands on the measuring accuracy of the students. But, judging from experience, students frequently have difficulties with recording the results for all the individual cases for image distance and properties of the image as a function of object and focal lengths, the occurring inequalities, and the great number of technical terms.
A possible methodological improvement is to have the students perform this experiment in teams: they are divided into 4 groups; each group completes one of the cases given on the Task page. Subsequently the results are exchanged, and Table 1 is completed coperatively. In this way each group can perform their special task meticulously and in their own time.


  • Multifunctional light box - All-in-one: Can be used for geometric optics on the table, colour mixing and on an optical bench
  • Extension with others sets at anytime, no additional light sources needed, recognition value for students


What are the properties of images formed by a concave mirror? Investigate the characteristics of images formed by a concave mirror for g > 2f, g = 2f, 2f > g > f and g < f.

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p1067800e.pdf Experiment guide, English 299.38 KB

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